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Cross-layer TCP with bitmap error recovery scheme in wireless ad hoc networks |
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| Authors: | Rung-Shiang Cheng Der-Jiunn Deng Yueh-Min Huang Lianfen Huang Han-Chieh Chao |
| Affiliation: | 1. Department of Computer and Communication, Kun Shan University, No. 949, Dawan Rd., Yongkang City, Tainan County, 710, Taiwan, ROC 2. Department of Computer Science and Information Engineering, National Changhua University of Education, Bao-Shan Campus, No. 2, Shi-Da Rd., Changhua City, 500, Taiwan, ROC 3. Department of Engineering Science, National Cheng Kung University, No. 1, University Rd., Tainan City, 701, Taiwan, ROC 4. Department of Communications Engineering, Xiamen University, No. 422, Simingnan Rd., Xiamen City, Fujian Province, 361005, China 5. Department of Electronic Engineering, National Ilan University, No. 1, Sec. 1, Shen-Lung Rd., I-Lan City, 260, Taiwan, ROC |
| Abstract: | Current TCP is not able to distinguish corruption losses from packet loss events. Hence, high transmission errors and varying inherent latency within a wireless network would cause seriously adverse effects to TCP performance. To improve TCP in IEEE 802.11 multi-hop ad hoc wireless networks, this study proposes an error recovery mechanism based on coordination of TCP and IEEE 802.11 MAC protocols. The simulation results confirm that the proposed error recovery approach could provide a more efficient solution for frequent transmission losses, and enable TCP to distinguish between congestion errors and transmission errors, and thus, to respond with proper remedial actions. |
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